login

A216975 as a triangular array

1
00
236
24612
345620
346101215
34910121518
456910151820
46891012151824
5689101215182024
678910121415182428
679101112141518222833
78910111214151822242833

A216975 as a square array

1022333445667
034444566778
66569688899
126101099991010
201212101010101111
1515151212121212
18181515141414
201818151515
2420181818
24242222
282824
3328
33
1022333445667
034444566778
66569688899
126101099991010
201212101010101111
1515151212121212
18181515141414
201818151515
2420181818
24242222
282824
3328
33